int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
struct fmt_merge_msg_opts *opts)
{
int i = 0, pos = 0;
unsigned char head_sha1[20];
const char *current_branch;
void *current_branch_to_free;
/* get current branch */
current_branch = current_branch_to_free =
resolve_refdup("HEAD", head_sha1, 1, NULL);
if (!current_branch)
die("No current branch");
if (!prefixcmp(current_branch, "refs/heads/"))
current_branch += 11;
/* get a line */
while (pos < in->len) {
int len;
char *newline, *p = in->buf + pos;
newline = strchr(p, '\n');
len = newline ? newline - p : strlen(p);
pos += len + !!newline;
i++;
p[len] = 0;
if (handle_line(p))
die ("Error in line %d: %.*s", i, len, p);
}
if (opts->add_title && srcs.nr)
fmt_merge_msg_title(out, current_branch);
if (origins.nr)
fmt_merge_msg_sigs(out);
if (opts->shortlog_len) {
struct commit *head;
struct rev_info rev;
head = lookup_commit_or_die(head_sha1, "HEAD");
init_revisions(&rev, NULL);
rev.commit_format = CMIT_FMT_ONELINE;
rev.ignore_merges = 1;
rev.limited = 1;
if (suffixcmp(out->buf, "\n"))
strbuf_addch(out, '\n');
for (i = 0; i < origins.nr; i++)
shortlog(origins.items[i].string,
origins.items[i].util,
head, &rev, opts->shortlog_len, out);
}
strbuf_complete_line(out);
free(current_branch_to_free);
return 0;
}
int cmd_merge_recursive(int argc, const char **argv, const char *prefix)
{
const unsigned char *bases[21];
unsigned bases_count = 0;
int i, failed;
unsigned char h1[20], h2[20];
struct merge_options o;
struct commit *result;
init_merge_options(&o);
if (argv[0] && !suffixcmp(argv[0], "-subtree"))
o.subtree_shift = "";
if (argc < 4)
usagef(builtin_merge_recursive_usage, argv[0]);
for (i = 1; i < argc; ++i) {
const char *arg = argv[i];
if (!prefixcmp(arg, "--")) {
if (!arg[2])
break;
if (parse_merge_opt(&o, arg + 2))
die("Unknown option %s", arg);
continue;
}
if (bases_count < ARRAY_SIZE(bases)-1) {
unsigned char *sha = xmalloc(20);
if (get_sha1(argv[i], sha))
die("Could not parse object '%s'", argv[i]);
bases[bases_count++] = sha;
}
else
warning("Cannot handle more than %d bases. "
"Ignoring %s.",
(int)ARRAY_SIZE(bases)-1, argv[i]);
}
if (argc - i != 3) /* "--" "<head>" "<remote>" */
die("Not handling anything other than two heads merge.");
o.branch1 = argv[++i];
o.branch2 = argv[++i];
if (get_sha1(o.branch1, h1))
die("Could not resolve ref '%s'", o.branch1);
if (get_sha1(o.branch2, h2))
die("Could not resolve ref '%s'", o.branch2);
o.branch1 = better_branch_name(o.branch1);
o.branch2 = better_branch_name(o.branch2);
if (o.verbosity >= 3)
printf("Merging %s with %s\n", o.branch1, o.branch2);
failed = merge_recursive_generic(&o, h1, h2, bases_count, bases, &result);
if (failed < 0)
return 128; /* die() error code */
return failed;
}
const char *get_java_home(void)
{
const char *result;
if (absolute_java_home)
return absolute_java_home;
result = !relative_java_home ? NULL : ij_path(relative_java_home);
if (result && is_java_home(result))
return result;
if (result && (!suffixcmp(result, -1, "/jre") ||
!suffixcmp(result, -1, "/jre/")) &&
is_jre_home(result)) {
char *new_eol = (char *)(result + strlen(result) - 4);
*new_eol = '\0';
return result;
}
result = get_java_home_env();
if (result)
return result;
return discover_system_java_home();
}
static void write_followtags(const struct ref *refs, const char *msg)
{
const struct ref *ref;
for (ref = refs; ref; ref = ref->next) {
if (prefixcmp(ref->name, "refs/tags/"))
continue;
if (!suffixcmp(ref->name, "^{}"))
continue;
if (!has_sha1_file(ref->old_sha1))
continue;
update_ref(msg, ref->name, ref->old_sha1,
NULL, 0, DIE_ON_ERR);
}
}
static enum status_code
add_to_refs(const char *id, size_t idlen, char *name, size_t namelen, struct ref_opt *opt)
{
struct ref *ref = NULL;
enum reference_type type = REFERENCE_BRANCH;
void **ref_slot = NULL;
if (!prefixcmp(name, "refs/tags/")) {
type = REFERENCE_TAG;
if (!suffixcmp(name, namelen, "^{}")) {
namelen -= 3;
name[namelen] = 0;
} else {
type = REFERENCE_LOCAL_TAG;
}
namelen -= STRING_SIZE("refs/tags/");
name += STRING_SIZE("refs/tags/");
} else if (!prefixcmp(name, "refs/remotes/")) {
type = REFERENCE_REMOTE;
namelen -= STRING_SIZE("refs/remotes/");
name += STRING_SIZE("refs/remotes/");
if (!strcmp(opt->remote, name))
type = REFERENCE_TRACKED_REMOTE;
} else if (!prefixcmp(name, "refs/replace/")) {
type = REFERENCE_REPLACE;
id = name + strlen("refs/replace/");
idlen = namelen - strlen("refs/replace/");
name = "replaced";
namelen = strlen(name);
} else if (!prefixcmp(name, "refs/heads/")) {
namelen -= STRING_SIZE("refs/heads/");
name += STRING_SIZE("refs/heads/");
if (strlen(opt->head) == namelen &&
!strncmp(opt->head, name, namelen))
type = REFERENCE_HEAD;
} else if (!strcmp(name, "HEAD")) {
/* Handle the case of HEAD not being a symbolic ref,
* i.e. during a rebase. */
if (*opt->head)
return SUCCESS;
type = REFERENCE_HEAD;
}
/* If we are reloading or it's an annotated tag, replace the
* previous SHA1 with the resolved commit id; relies on the fact
* git-ls-remote lists the commit id of an annotated tag right
* before the commit id it points to. */
if (type == REFERENCE_REPLACE) {
ref = string_map_remove(&refs_by_id, id);
} else {
ref_slot = string_map_put_to(&refs_by_name, name);
if (!ref_slot)
return ERROR_OUT_OF_MEMORY;
ref = *ref_slot;
}
if (!ref) {
ref = calloc(1, sizeof(*ref) + namelen);
if (!ref)
return ERROR_OUT_OF_MEMORY;
strncpy(ref->name, name, namelen);
if (ref_slot)
*ref_slot = ref;
}
if (strncmp(ref->id, id, idlen) || ref->type != type) {
opt->changed |= WATCH_REFS;
if (*ref->id)
remove_ref_from_id_map(ref);
}
ref->valid = true;
ref->type = type;
string_ncopy_do(ref->id, SIZEOF_REV, id, idlen);
if (type == REFERENCE_HEAD) {
if (!refs_head ||
(refs_head != ref && memcmp(refs_head, ref, sizeof(*ref))))
opt->changed |= WATCH_HEAD;
refs_head = ref;
}
if (type == REFERENCE_TAG)
refs_tags++;
return add_ref_to_id_map(ref);
}
static int
add_to_refs(const char *id, size_t idlen, char *name, size_t namelen, struct ref_opt *opt)
{
struct ref *ref = NULL;
enum reference_type type = REFERENCE_BRANCH;
int pos;
if (!prefixcmp(name, "refs/tags/")) {
type = REFERENCE_TAG;
if (!suffixcmp(name, namelen, "^{}")) {
namelen -= 3;
name[namelen] = 0;
} else {
type = REFERENCE_LOCAL_TAG;
}
namelen -= STRING_SIZE("refs/tags/");
name += STRING_SIZE("refs/tags/");
} else if (!prefixcmp(name, "refs/remotes/")) {
type = REFERENCE_REMOTE;
namelen -= STRING_SIZE("refs/remotes/");
name += STRING_SIZE("refs/remotes/");
if (!strcmp(opt->remote, name))
type = REFERENCE_TRACKED_REMOTE;
} else if (!prefixcmp(name, "refs/replace/")) {
type = REFERENCE_REPLACE;
id = name + strlen("refs/replace/");
idlen = namelen - strlen("refs/replace/");
name = "replaced";
namelen = strlen(name);
} else if (!prefixcmp(name, "refs/heads/")) {
namelen -= STRING_SIZE("refs/heads/");
name += STRING_SIZE("refs/heads/");
if (strlen(opt->head) == namelen &&
!strncmp(opt->head, name, namelen))
type = REFERENCE_HEAD;
} else if (!strcmp(name, "HEAD")) {
/* Handle the case of HEAD not being a symbolic ref,
* i.e. during a rebase. */
if (*opt->head)
return OK;
type = REFERENCE_HEAD;
}
/* If we are reloading or it's an annotated tag, replace the
* previous SHA1 with the resolved commit id; relies on the fact
* git-ls-remote lists the commit id of an annotated tag right
* before the commit id it points to. */
for (pos = 0; pos < refs_size; pos++) {
int cmp = type == REFERENCE_REPLACE
? strcmp(id, refs[pos]->id) : strcmp(name, refs[pos]->name);
if (!cmp) {
ref = refs[pos];
break;
}
}
if (!ref) {
if (!realloc_refs(&refs, refs_size, 1))
return ERR;
ref = calloc(1, sizeof(*ref) + namelen);
if (!ref)
return ERR;
refs[refs_size++] = ref;
strncpy(ref->name, name, namelen);
}
if (strncmp(ref->id, id, idlen))
opt->changed |= WATCH_REFS;
ref->valid = TRUE;
ref->type = type;
string_ncopy_do(ref->id, SIZEOF_REV, id, idlen);
if (type == REFERENCE_HEAD) {
if (!refs_head ||
(refs_head != ref && memcmp(refs_head, ref, sizeof(*ref))))
opt->changed |= WATCH_HEAD;
refs_head = ref;
}
return OK;
}
static void find_non_local_tags(struct transport *transport,
struct ref **head,
struct ref ***tail)
{
struct string_list existing_refs = { NULL, 0, 0, 0 };
struct string_list remote_refs = { NULL, 0, 0, 0 };
struct tag_data data = {head, tail};
const struct ref *ref;
struct string_list_item *item = NULL;
for_each_ref(add_existing, &existing_refs);
for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
if (prefixcmp(ref->name, "refs/tags"))
continue;
/*
* The peeled ref always follows the matching base
* ref, so if we see a peeled ref that we don't want
* to fetch then we can mark the ref entry in the list
* as one to ignore by setting util to NULL.
*/
if (!suffixcmp(ref->name, "^{}")) {
if (item && !has_sha1_file(ref->old_sha1) &&
!will_fetch(head, ref->old_sha1) &&
!has_sha1_file(item->util) &&
!will_fetch(head, item->util))
item->util = NULL;
item = NULL;
continue;
}
/*
* If item is non-NULL here, then we previously saw a
* ref not followed by a peeled reference, so we need
* to check if it is a lightweight tag that we want to
* fetch.
*/
if (item && !has_sha1_file(item->util) &&
!will_fetch(head, item->util))
item->util = NULL;
item = NULL;
/* skip duplicates and refs that we already have */
if (string_list_has_string(&remote_refs, ref->name) ||
string_list_has_string(&existing_refs, ref->name))
continue;
item = string_list_insert(ref->name, &remote_refs);
item->util = (void *)ref->old_sha1;
}
string_list_clear(&existing_refs, 0);
/*
* We may have a final lightweight tag that needs to be
* checked to see if it needs fetching.
*/
if (item && !has_sha1_file(item->util) &&
!will_fetch(head, item->util))
item->util = NULL;
/*
* For all the tags in the remote_refs string list, call
* add_to_tail to add them to the list of refs to be fetched
*/
for_each_string_list(add_to_tail, &remote_refs, &data);
string_list_clear(&remote_refs, 0);
}
static int
add_to_refs(const char *id, size_t idlen, char *name, size_t namelen, struct ref_opt *opt)
{
struct ref *ref = NULL;
bool tag = FALSE;
bool ltag = FALSE;
bool remote = FALSE;
bool replace = FALSE;
bool tracked = FALSE;
bool head = FALSE;
int pos;
if (!prefixcmp(name, "refs/tags/")) {
if (!suffixcmp(name, namelen, "^{}")) {
namelen -= 3;
name[namelen] = 0;
} else {
ltag = TRUE;
}
tag = TRUE;
namelen -= STRING_SIZE("refs/tags/");
name += STRING_SIZE("refs/tags/");
} else if (!prefixcmp(name, "refs/remotes/")) {
remote = TRUE;
namelen -= STRING_SIZE("refs/remotes/");
name += STRING_SIZE("refs/remotes/");
tracked = !strcmp(opt->remote, name);
} else if (!prefixcmp(name, "refs/replace/")) {
replace = TRUE;
id = name + strlen("refs/replace/");
idlen = namelen - strlen("refs/replace/");
name = "replaced";
namelen = strlen(name);
} else if (!prefixcmp(name, "refs/heads/")) {
namelen -= STRING_SIZE("refs/heads/");
name += STRING_SIZE("refs/heads/");
head = strlen(opt->head) == namelen
&& !strncmp(opt->head, name, namelen);
} else if (!strcmp(name, "HEAD")) {
/* Handle the case of HEAD not being a symbolic ref,
* i.e. during a rebase. */
if (*opt->head)
return OK;
head = TRUE;
}
/* If we are reloading or it's an annotated tag, replace the
* previous SHA1 with the resolved commit id; relies on the fact
* git-ls-remote lists the commit id of an annotated tag right
* before the commit id it points to. */
for (pos = 0; pos < refs_size; pos++) {
int cmp = replace ? strcmp(id, refs[pos]->id) : strcmp(name, refs[pos]->name);
if (!cmp) {
ref = refs[pos];
break;
}
}
if (!ref) {
if (!realloc_refs(&refs, refs_size, 1))
return ERR;
ref = calloc(1, sizeof(*ref) + namelen);
if (!ref)
return ERR;
refs[refs_size++] = ref;
strncpy(ref->name, name, namelen);
}
ref->valid = TRUE;
ref->head = head;
ref->tag = tag;
ref->ltag = ltag;
ref->remote = remote;
ref->replace = replace;
ref->tracked = tracked;
string_ncopy_do(ref->id, SIZEOF_REV, id, idlen);
if (head)
refs_head = ref;
return OK;
}
char *discover_system_java_home(void)
{
#ifdef WIN32
HKEY key;
HRESULT result;
const char *key_root = "SOFTWARE\\JavaSoft\\Java Development Kit";
struct string *string;
char buffer[PATH_MAX];
DWORD valuelen = sizeof(buffer);
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key_root, 0, KEY_READ, &key);
if (ERROR_SUCCESS != result)
return NULL;
result = RegQueryValueEx(key, "CurrentVersion", NULL, NULL, (LPBYTE)buffer, &valuelen);
RegCloseKey(key);
if (ERROR_SUCCESS != result)
{ error(get_win_error());
return NULL;
}
string = string_initf("%s\\%s", key_root, buffer);
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, string->buffer, 0, KEY_READ, &key);
if (ERROR_SUCCESS != result)
return NULL;
valuelen = sizeof(buffer);
result = RegQueryValueEx(key, "JavaHome", NULL, NULL, (LPBYTE)buffer, &valuelen);
RegCloseKey(key);
if (ERROR_SUCCESS != result)
return NULL;
return strdup(buffer);
#else
const char *java_executable = find_in_path(get_java_command(), 0);
#ifdef __APPLE__
int len = strlen(java_executable);
if (len > 14 && !suffixcmp(java_executable, len, "/Commands/java")) {
/*
* Containing folder is not a JRE or JDK, it's an Apple Framework. Bah!
* For example, the path:
*
* /System/Library/Frameworks/JavaVM.framework/Versions/A/Commands
*
* does not actually contain a proper JRE. It is merely a Framework
* for the current version of Apple Java on the system.
*
* Unfortunately, on OS X, /usr/bin/java is typically symlinked to
* /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java,
* with Current symlinked to A, resulting in a failure of this PATH-based
* strategy to find the actual JRE. So we simply give up in that case.
*/
if (debug)
error("Ignoring Apple Framework java executable: '%s'", java_executable);
return NULL;
}
#endif
if (java_executable) {
char *path = strdup(java_executable);
const char *suffixes[] = {
"java", "\\", "/", "bin", "\\", "/", NULL
};
int len = strlen(path), i;
for (i = 0; suffixes[i]; i++)
if (!suffixcmp(path, len, suffixes[i])) {
len -= strlen(suffixes[i]);
path[len] = '\0';
}
return path;
}
return NULL;
#endif
}
const char *get_jre_home(void)
{
const char *result;
int len;
static struct string *jre;
static int initialized;
if (jre)
return jre->buffer;
if (initialized)
return NULL;
initialized = 1;
/* ImageJ 1.x ships the JRE in <ij.dir>/jre/ */
result = legacy_jre_path ? legacy_jre_path->buffer : ij_path("jre");
if (dir_exists(result)) {
struct string *libjvm = string_initf("%s/%s", result, default_library_path);
if (!file_exists(libjvm->buffer)) {
if (debug)
error("Invalid jre/: '%s' does not exist!",
libjvm->buffer);
}
else if (!is_native_library(libjvm->buffer)) {
if (debug)
error("Invalid jre/: '%s' is not a %s library!",
libjvm->buffer, get_platform());
}
else {
string_release(libjvm);
jre = string_initf("%s", result);
if (debug)
error("JRE found in '%s'", jre->buffer);
return jre->buffer;
}
string_release(libjvm);
}
else {
if (debug)
error("JRE not found in '%s'", result);
}
result = get_java_home();
if (!result) {
const char *jre_home = getenv("JRE_HOME");
if (jre_home && *jre_home && is_jre_home(jre_home)) {
jre = string_copy(jre_home);
if (debug)
error("Found a JRE in JRE_HOME: %s", jre->buffer);
return jre->buffer;
}
jre_home = getenv("JAVA_HOME");
if (jre_home && *jre_home && is_jre_home(jre_home)) {
jre = string_copy(jre_home);
if (debug)
error("Found a JRE in JAVA_HOME: %s", jre->buffer);
return jre->buffer;
}
if (debug)
error("No JRE was found in default locations");
return NULL;
}
len = strlen(result);
if (len > 4 && !suffixcmp(result, len, "/jre")) {
jre = string_copy(result);
if (debug)
error("JAVA_HOME points to a JRE: '%s'", result);
return jre->buffer;
}
jre = string_initf("%s/jre", result);
if (dir_exists(jre->buffer)) {
if (debug)
error("JAVA_HOME contains a JRE: '%s'", jre->buffer);
return jre->buffer;
}
string_set(jre, result);
if (debug)
error("JAVA_HOME appears to be a JRE: '%s'", jre->buffer);
return jre->buffer;
}